Toothbrush



FIG. 1 is a front elevation view of a toothbrush showing my new design;

FIG. 2 is a left elevation view thereof;

FIG. 3 is a back elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a top perspective view thereof;

FIG. 8 is a bottom perspective view thereof.

FIG. 9 is a front elevation view of a toothbrush showing a second embodiment of my new design;

FIG. 10 is a left elevation view of FIG. 9;

FIG. 11 is a back elevation view of FIG. 9;

FIG. 12 is a right side elevation view of FIG. 9;

FIG. 13 is a top view of FIG. 9;

FIG. 14 is a bottom view of FIG. 9;

FIG. 15 is a top perspective view of FIG. 9; and,

FIG. 16 is a bottom perspective view of FIG. 9.

In FIGS. 9 through 16, inclusive, the toothbrush bristles are shown in broken lines for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a toothbrush, as shown and described. 